Undersink shield



FIG. 1 is a top perspective view of an undersink shield, showing my new design; FIG. 2 is a front view thereof; FIG. 3 is a right side view thereof with the other side view being a mirror image thereof; FIG. 4 is a rear view thereof; FIG. 5 is a top view thereof; and, FIG. 6 is a bottom view thereof. 

The ornamental design for an undersink shield, as shown and described. 